MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbc8f1873aefb2518b9675fdda8446a2ba7dc159bab9bfd08b40e19b654ea8bb. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



DarkComet


Vendor detections: 8


Intelligence 8 IOCs YARA 4 File information Comments

SHA256 hash: bbc8f1873aefb2518b9675fdda8446a2ba7dc159bab9bfd08b40e19b654ea8bb
SHA3-384 hash: ebcfebe6b38a1acc952ecf6a76319ab754421aaa96bb709054ced9e7fdbb4f81ed7ff292ca7d91d5fbdca8a830c8bc97
SHA1 hash: eb699861cb2ec0fdc2fb736c6f4eba93133f2100
MD5 hash: 8c783ee344384ce8f3282675e961c3c0
humanhash: diet-dakota-diet-michigan
File name:74556POZ_pdf.exe
Download: download sample
Signature DarkComet
File size:767'488 bytes
First seen:2020-08-15 06:58:31 UTC
Last seen:2020-08-15 07:35:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:e8sfHbOivhRekpFPBP5WPU+Vf+ib+YRb2bROw2eQ0pHxwB0hDAwpwdAA:e3TOkjPlWz+YRibETeQ0pHKpPA
Threatray 68 similar samples on MalwareBazaar
TLSH 1CF4CFE26744C76AE41B5B7D8036966366F3A21EDF58D90C3C89BF4B7C723860253887
Reporter abuse_ch
Tags:DarkComet exe geo nVpn RAT TUR


Avatar
abuse_ch
Malspam distributing DarkComet:

HELO: server4.vps-provider.com
Sending IP: 95.179.163.61
From: Çağatay Kanal <cagataykanal@siyahkalem.com>
Subject: Acil sipariş
Attachment: 74556POZ_pdf.z (contains "74556POZ_pdf.exe")

DarkComet C2:
boki.zapto.org:1905

Pointing to nVpn:

% Information related to '79.134.225.0 - 79.134.225.127'

% Abuse contact for '79.134.225.0 - 79.134.225.127' is 'abuse@privacyfirst.sh'

inetnum: 79.134.225.0 - 79.134.225.127
netname: PRIVACYFIRST-EU
country: EU
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
status: ASSIGNED PA
mnt-by: AF15-MNT
org: ORG-TPP6-RIPE
created: 2020-07-14T15:26:02Z
last-modified: 2020-07-14T15:31:06Z
source: RIPE

Intelligence


File Origin
# of uploads :
2
# of downloads :
404
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Setting a keyboard event handler
DNS request
Connection attempt to an infection source
Enabling autorun by creating a file
Result
Threat name:
DarkComet
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected DarkComet
Yara detected Keylogger Generic
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.CryptInject
Status:
Malicious
First seen:
2020-08-15 06:38:35 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Result
Malware family:
darkcomet
Score:
  10/10
Tags:
upx trojan rat family:darkcomet
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
UPX packed file
Darkcomet
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Malware_QA_update
Author:Florian Roth
Description:VT Research QA uploaded malware - file update.exe
Reference:VT Research QA
Rule name:RAT_DarkComet
Author:Kevin Breen <kevin@techanarchy.net>
Description:Detects DarkComet RAT
Reference:http://malwareconfig.com/stats/DarkComet
Rule name:suspicious_packer_section
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:win_darkcomet_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

DarkComet

Executable exe bbc8f1873aefb2518b9675fdda8446a2ba7dc159bab9bfd08b40e19b654ea8bb

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments